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High yield spray application
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Patent number 8,616,153
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Issue date Dec 31, 2013
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W. R. Grace & Co.-Conn.
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Michael Abbott
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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High yield spray application
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Patent number 7,842,348
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Issue date Nov 30, 2010
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W. R. Grace & Co.-Conn.
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Michael Abbott
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Aggregate producing machine
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Patent number 5,462,235
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Issue date Oct 31, 1995
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W. R. Grace & Co.-Conn.
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Mary E. Driscoll
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...